Question

1 целая 27 + 2 целых 56 + 3 целых 57 + 1 целая 16

Answer 1

1 2/7 + 2 5/6 + 3 5/7 + 1 1/6 = 
(1 + 2 + 3 + 1) + (2/7 + 5/6 + 5/7 + 1/6) = 
7 + ((2/7+5/7) + (5/6+1/6)) = 
7 + (7/7 + 6/6) = 
7 + (1 + 1) =
7 + 2 = 9

Answer 2

2 15 + 38 + 1 45 + 58

Answer 3

= (2 + 1) + (1/5+3/8+4/5+5/8) = 3 + (5/5+8/8) = 3 + (1 + 1) = 3 + 2 = 5

Answer 4

спсибо очень помог

Answer 5

(ла)

Answer 6

пожалуйста))